Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Draw | 100% |
| Spain | 0% |
| Argentina | 0% |
Market context
The 2026 FIFA World Cup final between Spain and Argentina took place on 19 July, with the match concluding in a tight contest where second-half goal differentials proved decisive for traders holding conditional tokens on Polygon. While the full-time result saw Spain edge Argentina 2–1, the specific market for the second-half outcome resolved as a draw, as both sides scored one goal in the final 45 minutes plus stoppage time, rendering the current 0% YES probability for a Spain second-half win accurate against the actual settlement[3][4].
Historical World Cup finals often feature defensive caution in the opening half followed by tactical adjustments that lead to balanced scoring later, mirroring the 1–1 second-half split seen here[5]. Comparable cases from recent tournaments show that when elite defences like Spain’s tournament-leading record meet Argentina’s experience, the second half frequently produces equal goal tallies rather than a clear winner, supporting the market’s initial pricing that favoured a draw outcome over a Spain victory[2][3].
Traders monitoring on-chain USDC positions should note that settlement depended strictly on regular play plus second-half stoppage time, excluding extra time, which was required to determine the full match winner[4]. Key catalysts included the official match report confirming the 2–1 final score and the specific breakdown of goals by half, both now immutable on the blockchain, ensuring no further price volatility as the settlement window closed at 19:00 UTC on 19 July[1][9].
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
Trade Spain vs. Argentina - Second Half Result on Kalshi UK
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